Hydrostatic radial piston unit
US-12523201-B2 · Jan 13, 2026 · US
with rotary cylinder blocks
with rotary cylinder blocks · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F04B1/1071 |
| Official title | with rotary cylinder blocks |
| Display label | with rotary cylinder blocks |
| Total patents | 47 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 7 |
| 2018 | 6 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 4 |
| 2022 | 6 |
| 2023 | 2 |
| 2024 | 3 |
| 2025 | 7 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hydraulic machine comprising a dog brake
US-2025382939-A1 · Dec 18, 2025 · US
Fabrication of nanotube bundles and reactors for the same
US-2025361856-A1 · Nov 27, 2025 · US
Hydraulic machine provided with a direction changing drawer
US-2025327437-A1 · Oct 23, 2025 · US
Ball piston pump
US-12398706-B2 · Aug 26, 2025 · US
Hydraulic machine comprising bearings for supporting the rotating component
US-12320342-B2 · Jun 3, 2025 · US
Oil pump for gas turbine engine and associated method of pumping oil
US-12264658-B2 · Apr 1, 2025 · US
Radial Piston Machine with Multi-Disc Brake
US-2025102031-A1 · Mar 27, 2025 · US
Radial piston machine with brake
US-12169006-B2 · Dec 17, 2024 · US
Integrated electric-to-hydraulic conversion machine
US-12152572-B2 · Nov 26, 2024 · US
Oil pump for gas turbine engine and associated method of pumping oil
US-2024352890-A1 · Oct 24, 2024 · US
Hydraulic radial piston device
US-11767831-B2 · Sep 26, 2023 · US
Hydraulic machine comprising bearings for supporting the rotating component
US-2023175496-A1 · Jun 8, 2023 · US
Ball piston pump
US-2022412330-A1 · Dec 29, 2022 · US
Hydraulic radial piston device
US-11448203-B2 · Sep 20, 2022 · US
Integrated electric-to-hydraulic conversion machine
US-2022252058-A1 · Aug 11, 2022 · US
Radial Piston Machine with Brake
US-2022170460-A1 · Jun 2, 2022 · US
Cylinder block comprising piston-holding means
US-11313345-B2 · Apr 26, 2022 · US
Hydraulic radial piston device
US-2022065236-A1 · Mar 3, 2022 · US
Hydraulic machine including an improved braking system
US-11136976-B2 · Oct 5, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04B1/1071?
- CPC F04B1/1071 is the Cooperative Patent Classification code for “with rotary cylinder blocks.”
- How many patents are filed under CPC F04B1/1071 (with rotary cylinder blocks)?
- Our database includes 47 publications tagged with this CPC code.
- Is patent activity under CPC F04B1/1071 growing?
- Publication counts under this code: 3 in 2024 vs 7 in 2025 (latest complete years).